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Company Company

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Overview

Outline

Trade name

TAIHO Industrial Co., Ltd.

Establishment

October 26, 1949

Capital

80,000,000 yen

Annual sales

Non-consolidated: 13.1 billion yen (FY3/2025) Group total: 20.9 billion yen

Sales composition by business

Plant-related business: 49%

Infrastructure-related business: 43%

Smart energy-related businesses: 8%

Representative

Kazuyuki Inui, President and Representative Director

Officers

Akinari Fukumoto, Director

Yukihiro Fujisawa, Director

Employees

Non-consolidated: 264/Group: 502

Business

Sales and maintenance of control equipment and industrial measuring and instrumentation equipment

Sales and maintenance of electrical and electronic measuring instruments and communication measuring instruments

Sales and maintenance of analytical and scientific instruments

Sales of optical and laser equipment, bio and life-science equipment

Sales, design, construction, and maintenance of electrical equipment and materials

Sales, design, construction, and maintenance of civil engineering equipment and materials

Design, construction, and maintenance of PA and FA systems

Sales and maintenance of new energy-related equipment

Sales, design, installation, and maintenance of robot systems

Sales, design, installation, and maintenance of network cameras

Sales, development, design, assembly, processing, and maintenance of machine tools, assembly equipment, and jigs

Sales, development, design, assembly, processing, and maintenance of inspection, cleaning, and measuring equipment

Main business partners

Construction permits

Licensed by the Minister of Land, Infrastructure, Transport and Tourism (Special-2) No. 21617

Electrical work

Licensed by the Minister of Land, Infrastructure, Transport and Tourism (Han-2) No. 21617

Telecommunications work / Scaffold/construction/concrete work

Machinery installation / Public engineering

Paving work / Water facilities work

Steel construction work

Worker dispatch

Ha-37-300137

List of Qualified Personnel

Licenses / National Qualifications / Certification Exams

Class-1 Licensed Electrician 14 persons

Class-2 Licensed Electrician 38 persons

1st Grade Electrical Construction Management Engineer 20 persons

2nd Grade Electrical Construction Management Engineer 20 persons

1st Grade Telecommunications Construction Management Engineer 6 persons

2nd Grade Telecommunications Construction Management Engineer 4 persons

Class-2 Chief Electrical Engineer 1 person

Responsible Person for Poisonous and Deleterious Substances 5 persons

Hazardous Materials Engineer, Class A 2 persons

Hazardous Materials Engineer, Class B-4 19 persons

Radiation Supervisor, Class II 1 person

Radiation Supervisor, Class III 2 persons

Class-1 Health Supervisor 13 persons

Class-2 Health Supervisor 1 person

Mechanical & Plant Drafting (CAD) Grade 1 1 person

Mechanical & Plant Drafting (Hand-drawing) Grade 2 1 person

Pollution Control Manager (Water Quality, Class I) 1 person

Pollution Control Manager (Water Quality, Class II) 2 persons

Pollution Control Manager (Air Quality, Class III) 1 person

Energy Manager 2 persons

Class-1 Boiler Engineer 2 persons

Class-2 Boiler Engineer 5 persons

Building Sanitation Management Technician 2 persons

Fire Protection Engineer, Class A-1 2 persons

Fire Protection Engineer, Class A-2 1 person

Fire Protection Engineer, Class A-3 1 person

Fire Protection Engineer, Class A-4 3 persons

Fire Protection Engineer, Class A-5 1 person

Fire Protection Engineer, Class A-Special 1 person

Fire Protection Engineer, Class B-1 1 person

Fire Protection Engineer, Class B-6 1 person

Fire Protection Engineer, Class B-7 1 person

Fire Equipment Inspector, Class 1 1 person

Fire Equipment Inspector, Class 2 1 person

High-Pressure Gas Safety Officer, Category B (Machinery) 1 person

High-Pressure Gas Safety Officer, Special Category C (Chemistry) 2 persons

High-Pressure Gas Safety Officer, Refrigeration Class II 3 persons

High-Pressure Gas Safety Officer, Refrigeration Class III 1 person

Sewage Treatment Plant Manager 2 persons

Bookkeeping (Japan Chamber of Commerce and Industry) Grade 2 13 persons

Business Law Certification, Grade 2 1 person

Construction Industry Accounting, Grade 1 3 persons

Construction Industry Accounting, Grade 2 3 persons

Civil Engineering Management Engineer, Grade 1 4 persons

Civil Engineering Management Engineer, Grade 2 3 persons

Chief Engineer for Water Supply Installation 1 person

Certifications

Instrumentation Engineer, Grade 1 17 persons

Instrumentation Engineer, Grade 2 30 persons

Safety and Health Promoter 13 persons

Supervisor Training 30 persons

Supervisor & Safety/Health Supervisor 38 persons

Standards-Compliant Product Maintenance (Yokogawa) 1 person

Soldering Training (Yokogawa) 2 persons

Tubing Fitting Work 2 persons

Post-installed Anchor Technician, Class 2 1 person

Corrosive Substance Processing Facility Technical Manager
Intermediate Facility 2 persons

Waste Treatment Facility Technical Manager
Sewage/Sludge Recycling Facility 1 person

Final Disposal Site Technical Manager 1 person

Technical Training

Work Supervisor for Oxygen Deficiency / Hydrogen Sulfide 32 persons

Work Supervisor for Organic Solvents 17 persons

Work Supervisor for Specific Chemical Substances 12 persons

Gas Welding Technician 12 persons

Slinging Operations (Tamakake) Training 31 persons

Forklift Operator Training 14 persons

Small Mobile Crane Operator 6 persons

Construction Machinery Operation Training
(Landscaping, Transport, Loading, Excavation) 5 persons

Aerial Work Platform Operator (over 10m) 3 persons

Local Exhaust Ventilation Equipment Inspection 1 person

Drying Equipment Supervisor 2 persons

Pressure Vessel Handling, Class 1 3 persons

Overhead Traveling Crane Operation Training 1 person

Special Education

Special Education for Oxygen Deficiency Work 10 persons

Special Education for Full-Harness Fall Protection Equipment 38 persons

Special Education for Dioxin-related Work 18 persons

Mobile Crane Operator 2 persons

Overhead Crane Operation (under 5t) 11 persons

Aerial Work Platform Operator (2m–10m) 12 persons

Portable Grinder / Cutting Wheel Operation 3 persons

Special Education for High/Extra-High Voltage Electricity Handling 3 persons

Special Education for Low Voltage Electricity Handling 43 persons

Electrical Work Site Supervisor (Shidenko) 4 persons

Fire Prevention Manager, Class A 1 person

Fire Equipment Inspector, Class 1 1 person

Safety Manager Training 4 persons

Basic Life Support Training 4 persons

Arc Welding 6 persons

Sewage Treatment Technical Manager 2 persons

Special Education for Industrial Robots 3 persons

Work Related to Teaching of Industrial Robots 1 person

Work Related to Inspection of Industrial Robots 1 person

Special Education for Grinding Wheel Replacement 4 persons

Scaffolding Assembly Special Education 6 persons

(As of June 2025)

Group companies

Koei Denko Co., Ltd.

Address: 370-9, Go, Yawatahama City, Ehime Prefecture, 769-8020

TEL +81-894-24-5363 FAX +81-894-24-5559

https://www.koeidenko.co.jp/

Shinritsu Electric Co., Ltd.

1-10 Higashikaigan-dori, Kudamatsu City, Yamaguchi Prefecture, 744-0002

TEL +81-833-43-6130 FAX +81-833-44-0431

https://shinritsu.co.jp/

Doi Manufacturing Co., Ltd.

Tokyo Baraki Hall 5F, 5-30-13 Toyo, Koto-ku, Tokyo 135-0016

TEL +81-3-3747-0210 FAX +81-3-3647-1421

https://www.doi-web.com/

Nippon Jigu Co., Ltd.

1317-2 Higashikanaicho, Ota City, Gunma Prefecture, 373-0022

TEL +81-278-22-6211 FAX +81-276-22-6210

https://www.nihonjig.co.jp/

Hamaden Co., Ltd.

110-5 Terayamacho, Midori-ku, Yokohama, Kanagawa Prefecture, 226-0013

TEL +81-45-938-8560 FAX +81-45-938-8755

https://www.hamaden.jp/

Fujimura Tools Co., Ltd.

558-1 Hanaina, Ohnohara-cho, Kannonji-shi, Kagawa Prefecture, 769-1613

TEL: +81-875-56-3191 FAX: +81-875-52-4101

https://www.fujimurakougu.jp/

Hajime Kagaku Co., Ltd.

3-7 Toiyamachi, Matsuyama-shi, Ehime Prefecture, 791-8018

TEL: +81-899-22-2151 FAX: +81-899-22-2155

https://www.hajimekagaku.co.jp/

Ichikawa Koken Co., Ltd.

832-1 Hirashima, Fujieda City, Shizuoka Prefecture, 426-0011

TEL: +81-546-41-8786 FAX: +81-546-44-0035

https://www.ichikawakouken.co.jp/

Organization chart

組織図

History

1949
October

TAIHO Industrial Corporation established in Gobo-cho, Takamatsu City, with capital of 150,000 yen.

1955
September

Niihama Branch opened

1957
July

Matsuyama Branch opened

1968
July

Engineering Department spun off and established as Yutaka Instrumentation Co., Ltd., with capital of 3 million yen.

1970
January

Tokushima Branch opened

1972
October

Kochi Branch opened

1986
April

Head Office relocated to Yashima Nishi-machi

1992
October

Yawatahama Sales Office opened

2005
April

Business integration conducted with Yutaka Instrumentation Co., Ltd.

2006
March

Tokyo Sales Office opened

2008
April

Yawatahama Sales Office and Tokyo Sales Office upgraded to branches

2010
July

Shinritsu Electric Co., Ltd. made a subsidiary

2011
April

Kansai Sales Office opened

2013
February

Taiwan Taiho Industrial Co., Ltd. established

2016
April

Taiho G&N Co., Ltd. established

October

Head Office moved to Kotobuki-cho; Kagawa Branch renamed Takamatsu Branch

2017
February

Kochi Branch moved to Takanonaka-machi.

2018
March

DOI MFG., INC. made a subsidiary

December

President and Representative Director Noriyuki Inui dies

2019
January

Kazuyuki Inui appointed President and Representative Director

February

YASAC Ltd. made a subsidiar

April

Seisan Sales Office opened in Utazu-cho, Ayauta-gun

2020
April

Imabari Sales Office opened in Kitahorai-cho, Imabari City

2021
February

Kanagawa Office opened in Sagamihara City, Kanagawa Prefecture

Nihon Jig Inc. made a subsidiary

March

Fukuoka Sales Office opened in Kurume City

April

East Japan Branch Office opened in Ota City, Gunma Prefecture

September

Kanagawa Office relocated to Sagamihara Incubation Center

2023
April

Thai Taiho Co., Ltd. established

September

Hamaden Co., Ltd. made a subsidiary

2024
June

Fujimura Tool Co., Ltd. made a subsidiary

November

Kanagawa Office relocated to Yokohama City, Kanagawa Prefecture

2025
January

Tokyo Head Office opened in Hamamatsu-cho, Minato-ku, Tokyo

Tokyo Branch relocated to Hamamatsu-cho, Minato-ku, Tokyo

April

Hajime Kagaku Co., Ltd. made a subsidiary

July

Chuo Shikoku Sales Office opened in Kan-onji City, Kagawa Prefecture

Invested in Ichikawa Koken Co., Ltd. jointly with Nakamura Kikou Co., Ltd.